Home / 4,479.66-6,715.64-1,557.59

Finding the Fourth Proportional to 4,479.66, 6,715.64 and 1,557.59

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Solution

The fourth proportional to 4,479.66, 6,715.64 and 1,557.59 is: 2,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.66 : 6,715.64 = 1,557.59 : x
  2. Step 2: Convert to fraction form
    4,479.66/6,715.64 = 1,557.59/x
  3. Step 3: Cross multiply
    4,479.66x = 6,715.64 × 1,557.59
  4. Step 4: Simplify right side
    4,479.66x = 10,460,184.02
  5. Step 5: Solve for x
    x = 10,460,184.02/4,479.66
  6. Step 6: Final answer
    x = 2,335.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.